1 files changed, 40 insertions, 0 deletions
diff --git a/src/jit/hostallocator.cpp b/src/jit/hostallocator.cpp
new file mode 100644
index 0000000000..b737424ee8
--- /dev/null
+++ b/src/jit/hostallocator.cpp
@@ -0,0 +1,40 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+#include "jitpch.h"
+#include "hostallocator.h"
+
+HostAllocator HostAllocator::s_hostAllocator;
+
+void* HostAllocator::Alloc(size_t size)
+{
+    assert(g_jitHost != nullptr);
+    return g_jitHost->allocateMemory(size, false);
+}
+
+void* HostAllocator::ArrayAlloc(size_t elemSize, size_t numElems)
+{
+    assert(g_jitHost != nullptr);
+
+    ClrSafeInt<size_t> safeElemSize(elemSize);
+    ClrSafeInt<size_t> safeNumElems(numElems);
+    ClrSafeInt<size_t> size = safeElemSize * safeNumElems;
+    if (size.IsOverflow())
+    {
+        return nullptr;
+    }
+
+    return g_jitHost->allocateMemory(size.Value(), false);
+}
+
+void HostAllocator::Free(void* p)
+{
+    assert(g_jitHost != nullptr);
+    g_jitHost->freeMemory(p, false);
+}
+
+HostAllocator* HostAllocator::getHostAllocator()
+{
+    return &s_hostAllocator;
+}